How to change the COM port for a USB Serial adapter on Windows 7

How to change the COM port for a USB Serial adapter on Windows 7

Start by going to the Device Manager. Once there do the following:
Expand the Ports ‘(COM& LPT)’

You should be looking at something like this:

As you can see Windows has set the port to COM10. However many legacy applications expect the port to be between 1-4. Let’s change that:
Right click on the device and click on ‘Properties’.